///系统登陆窗体
Ext.ns("Tk");
Tk.Login=Ext.extend(Ext.FormPanel,{
					border:false
					,frame:true
					,labelWidth:80
					,initComponent:function(){
						
						Ext.apply(this, Ext.apply(this.initialConfig, config)); 
						Tk.App.superclass.initComponent.apply(this, arguments);
						}
					
					});
Ext.reg('Tk.App', Tk.App);